<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/768x516/54cac512ab438_-_hk416-02-0611-xln.jpg>
<http://www.popularmechanics.com/military/weapons/g536/face-time-with-the-hk416-the-gun-that-killed-bin-laden/>